How long does it take to fly to Ontario?

Average flight duration from Ohio to Ontario depends on which airport you fly into and out of. Flying from Cincinnati to Los Angeles is 4h 30m on average, while flying from Columbus to Los Angeles is 4h 58m on average. Los Angeles is the most popular airport in Ontario.

What is the cheapest airline that flies from Ohio to Ontario?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Ohio to Ontario

What airlines fly to Ontario?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Ohio according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ohio to Ontario Airport?

Prices for flights from Ohio to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ohio to Ontario Airport?

As of September 2026, there are 5 operators available to choose from for flights from Ohio to Ontario Airport.

How old do you have to be to fly from Ohio to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ohio to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$96 Cheap Flights from Ohio to Ontario in 2026/27

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Find the cheapest flights from Ohio to Los Angeles

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One-way

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Cheap round-trip flights

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4:50 pm - 11:51 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 01m1 stop Denver Intl

6:25 am - 8:54 pmONT Ontario-CLE Cleveland Hopkins Intl

11h 29m2 stops Denver Intl Atlanta Hartsfield-Jackson

$224Frontier

Tue, Nov 10 - Sat, Nov 14

4:50 pm - 11:51 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 01m1 stop Denver Intl

11:52 am - 12:16 pmONT Ontario-CLE Cleveland Hopkins Intl

21h 24m2 stops Denver Intl Atlanta Hartsfield-Jackson

$225Frontier

Tue, Oct 27 - Tue, Nov 3

4:32 pm - 10:29 amCVG Cincinnati Cinci./N. Kentucky-ONT Ontario

20h 57m1 stop Denver Intl

5:07 pm - 4:47 pmONT Ontario-CVG Cincinnati Cinci./N. Kentucky

20h 40m1 stop Las Vegas Harry Reid Intl

$322Multiple Airlines

Fri, Oct 16 - Wed, Oct 28

8:12 pm - 12:20 amCLE Cleveland Hopkins Intl-ONT Ontario

7h 08m1 stop Denver Intl

6:00 am - 9:59 pmONT Ontario-CLE Cleveland Hopkins Intl

12h 59m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$336Multiple Airlines

Thu, Dec 10 - Tue, Dec 15

7:45 am - 12:30 pmCLE Cleveland Hopkins Intl-ONT Ontario

7h 45m1 stop Salt Lake City

7:00 am - 6:43 pmONT Ontario-CLE Cleveland Hopkins Intl

8h 43m1 stop Atlanta Hartsfield-Jackson

$357Delta

Wed, Feb 17 - Wed, Feb 24

6:00 am - 11:27 amCLE Cleveland Hopkins Intl-ONT Ontario

8h 27m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:16 pmONT Ontario-CLE Cleveland Hopkins Intl

8h 16m1 stop Atlanta Hartsfield-Jackson

$357Delta

Tue, Feb 16 - Tue, Feb 23

6:00 am - 12:12 pmCLE Cleveland Hopkins Intl-ONT Ontario

9h 12m1 stop Dallas/Fort Worth

9:28 am - 11:31 pmONT Ontario-CLE Cleveland Hopkins Intl

11h 03m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$362American Airlines

Wed, Dec 16 - Wed, Jan 6

6:10 am - 11:52 amCLE Cleveland Hopkins Intl-ONT Ontario

8h 42m1 stop Dallas/Fort Worth

9:28 am - 11:31 pmONT Ontario-CLE Cleveland Hopkins Intl

11h 03m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$362American Airlines

Wed, Dec 16 - Wed, Jan 6

5:25 am - 11:25 amCLE Cleveland Hopkins Intl-ONT Ontario

9h 00m2 stops Denver Intl Phoenix Sky Harbor Intl

5:50 am - 6:20 pmONT Ontario-CLE Cleveland Hopkins Intl

9h 30m2 stops Dallas Love Field Nashville Intl

$367Southwest

Thu, Oct 29 - Sat, Oct 31

7:00 am - 10:45 amCMH Columbus-ONT Ontario

6h 45m1 stop Dallas Love Field

1:30 pm - 12:10 amONT Ontario-CMH Columbus

7h 40m1 stop Las Vegas Harry Reid Intl

$377Southwest

Tue, Nov 10 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

4:30 pm - 10:30 amCMH Columbus-ONT Ontario

21h 00m1 stop Denver Intl

6:15 am - 3:32 pmONT Ontario-CMH Columbus

6h 17m1 stop Denver Intl

$327Frontier

Wed, Sep 30 - Wed, Oct 21

4:30 pm - 11:47 pmCMH Columbus-ONT Ontario

10h 17m1 stop Denver Intl

6:25 am - 3:26 pmONT Ontario-CMH Columbus

6h 01m1 stop Denver Intl

$350Frontier

Wed, Sep 30 - Fri, Oct 30

4:30 pm - 11:47 pmCMH Columbus-ONT Ontario

10h 17m1 stop Denver Intl

2:13 pm - 6:00 pmONT Ontario-CMH Columbus

24h 47m2 stops Seattle/Tacoma Intl Los Angeles

$449Multiple Airlines

Wed, Sep 30 - Wed, Oct 21

2:21 pm - 6:41 pmCMH Columbus-ONT Ontario

7h 20m1 stop Atlanta Hartsfield-Jackson

7:07 am - 6:19 pmONT Ontario-CMH Columbus

8h 12m1 stop Atlanta Hartsfield-Jackson

$482Delta

Sat, Oct 3 - Sat, Oct 17

7:45 am - 12:14 pmCMH Columbus-ONT Ontario

7h 29m1 stop Salt Lake City

7:07 am - 6:19 pmONT Ontario-CMH Columbus

8h 12m1 stop Atlanta Hartsfield-Jackson

$482Delta

Sat, Oct 3 - Sat, Oct 17

5:28 am - 12:06 pmCMH Columbus-ONT Ontario

9h 38m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

7:34 pm - 9:23 amONT Ontario-CMH Columbus

10h 49m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$492American Airlines

Wed, Sep 30 - Wed, Oct 21

4:57 pm - 10:37 pmCMH Columbus-ONT Ontario

8h 40m1 stop Dallas/Fort Worth

7:00 am - 6:56 pmONT Ontario-CMH Columbus

8h 56m1 stop Dallas/Fort Worth

$495American Airlines

Sat, Oct 3 - Sat, Oct 17

9:30 am - 12:46 pmDAY Dayton-ONT Ontario

6h 16m1 stop Denver Intl

7:00 am - 5:10 pmONT Ontario-DAY Dayton

7h 10m1 stop Chicago O'Hare Intl

$523United Airlines

Wed, Sep 30 - Tue, Oct 6

7:00 am - 2:16 pmCLE Cleveland Hopkins Intl-ONT Ontario

10h 16m1 stop Seattle/Tacoma Intl

8:24 pm - 6:19 amONT Ontario-CLE Cleveland Hopkins Intl

6h 55m1 stop Las Vegas Harry Reid Intl

$546Multiple Airlines

Tue, Sep 29 - Thu, Oct 1

7:17 am - 12:46 pmCMH Columbus-ONT Ontario

8h 29m2 stops Chicago O'Hare Intl Denver Intl

5:00 am - 5:05 pmONT Ontario-CMH Columbus

9h 05m2 stops Denver Intl Chicago O'Hare Intl

$597United Airlines

Wed, Sep 30 - Tue, Oct 6

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American Airlines flights from Ohio to Ontario

Our best American Airlines deals on Ohio to Ontario flight tickets

American Airlines

Dec 12

CAK7:30 amAkron/Canton

13h 40m

2 stops

ONT6:10 pmOntario

Jan 5

ONT10:10 pmOntario

9h 20m

1 stop

CAK10:30 amAkron/Canton

$404

American Airlines

Dec 12

CAK6:26 amAkron/Canton

12h 53m

2 stops

ONT4:19 pmOntario

Jan 5

ONT7:36 pmOntario

11h 54m

2 stops

CAK10:30 amAkron/Canton

$409

American Airlines

Oct 24

DAY12:13 pmDayton

9h 30m

2 stops

ONT6:43 pmOntario

Oct 28

ONT1:05 pmOntario

8h 21m

2 stops

DAY12:26 amDayton

$413

Frontier flights from Ohio to Ontario

Our best Frontier deals on Ohio to Ontario flight tickets

Frontier

Nov 10

CLE4:50 pmCleveland Hopkins Intl

10h 01m

1 stop

ONT11:51 pmOntario

Nov 14

ONT6:25 amOntario

11h 29m

2 stops

CLE8:54 pmCleveland Hopkins Intl

$224

Frontier

Oct 27

CLE4:50 pmCleveland Hopkins Intl

10h 01m

1 stop

ONT11:51 pmOntario

Nov 3

ONT11:52 amOntario

21h 24m

2 stops

CLE12:16 pmCleveland Hopkins Intl

$225

Frontier

Oct 27

CLE4:50 pmCleveland Hopkins Intl

10h 01m

1 stop

ONT11:51 pmOntario

Oct 28

ONT11:52 amOntario

21h 24m

2 stops

CLE12:16 pmCleveland Hopkins Intl

$226

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Tue 11/10

4:50 pm-11:51 pm

1 stop10h 01m

Ontario

Sat 11/14

6:25 am-8:54 pm

2 stops11h 29m

$224

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Tue 10/27

4:50 pm-11:51 pm

1 stop10h 01m

Ontario

Tue 11/3

11:52 am-12:16 pm

2 stops21h 24m

$225

CincinnatiOntario

CVG Cincinnati Cinci./N. Kentucky - ONT Ontario

CVGONT

Cincinnati Cinci./N. Kentucky

Fri 10/16

4:32 pm-10:29 am

1 stop20h 57m

Ontario

Wed 10/28

5:07 pm-4:47 pm

1 stop20h 40m

$322

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Thu 12/10

8:12 pm-12:20 am

1 stop7h 08m

Ontario

Tue 12/15

6:00 am-9:59 pm

2 stops12h 59m

$336

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 2/17

7:45 am-12:30 pm

1 stop7h 45m

Ontario

Wed 2/24

7:00 am-6:43 pm

1 stop8h 43m

$357

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Tue 2/16

6:00 am-11:27 am

1 stop8h 27m

Ontario

Tue 2/23

12:00 pm-11:16 pm

1 stop8h 16m

$357

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

6:00 am-12:12 pm

1 stop9h 12m

Ontario

Wed 1/6

9:28 am-11:31 pm

2 stops11h 03m

$362

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Wed 12/16

6:10 am-11:52 am

1 stop8h 42m

Ontario

Wed 1/6

9:28 am-11:31 pm

2 stops11h 03m

$362

ClevelandOntario

CLE Cleveland Hopkins Intl - ONT Ontario

CLEONT

Cleveland Hopkins Intl

Thu 10/29

5:25 am-11:25 am

2 stops9h 00m

Ontario

Sat 10/31

5:50 am-6:20 pm

2 stops9h 30m

$367

Quickest round-trip

ColumbusOntario

CMH Columbus - ONT Ontario

CMHONT

Columbus

Tue 11/10

7:00 am-10:45 am

1 stop6h 45m

Ontario

Tue 11/17

1:30 pm-12:10 am

1 stop7h 40m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ohio to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Ohio to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $369. If you aren’t able to travel during the month of January, then book flights to Ontario from Ohio during February instead. Flights to Ontario in February, while not as cheap as those in January, still average around $405.

How far in advance should I book a flight from Ohio to Ontario?

You are more likely to see cheaper flights to Ontario from Ohio when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Ohio for as low as $336 on momondo.

Can stopping save me money on Ohio to Ontario flights?

You could potentially save up to 51% on your flight if you consider stops on a Ohio to Ontario flight.

Cheap Ohio to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ohio to Ontario

Best Price Found	$96
Fastest flight time	6h 15m
Direct flights	None

The best one-way flight to Ontario from Ohio in the past 72 hours is $96. The best round-trip flight deal from Ohio to Ontario found on momondo in the last 72 hours is $224.

The fastest flight from Ohio to Ontario takes 6h 15m

There are no direct flights from Ohio to Ontario. There are no popular flight routes from Ohio to Ontario.

Search flight deals

Frequently asked questions about flying from Ohio to Ontario

When did momondo last update prices for flights from Ohio to Ontario Airport?
Prices for flights from Ohio to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ohio to Ontario Airport?
As of September 2026, there are 5 operators available to choose from for flights from Ohio to Ontario Airport.
How old do you have to be to fly from Ohio to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ohio to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ohio to Ontario

Compare and see reviews for airlines that fly from Ohio to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $129	Free Cancellation	Rating 5.6 2,572 reviews	Search Frontier flights
Delta	PriceFrom $238	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 10,242 reviews	Search United Airlines flights
American Airlines	PriceFrom $299	Free Cancellation	Rating 7.0 12,099 reviews	Search American Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,201 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ohio to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ohio to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ohio to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Ohio with this policy.

How can momondo help me find flights from Ohio to Ontario?

momondo helps you find the best flight between Ohio and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ohio to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ohio to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Ontario trip

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Cheap flights from Ohio to Los Angeles from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ohio to Los Angeles departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Ohio to Ontario

Our best American Airlines deals on Ohio to Ontario flight tickets

Frontier flights from Ohio to Ontario

Our best Frontier deals on Ohio to Ontario flight tickets

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How to get the cheapest flight ticket from Ohio to Ontario

What is the cheapest month to fly to Ontario?

How far in advance should I book a flight from Ohio to Ontario?

Can stopping save me money on Ohio to Ontario flights?

What is the cheapest airline that flies from Ohio to Ontario?

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap Ohio to Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ohio to Ontario

Best airlines flying from Ohio to Ontario

Compare and see reviews for airlines that fly from Ohio to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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